All-fibre polariser based on a null taper coupler

Birks, T.A., Culverhouse, D.O., Farwell, S.G. and Russell, P.St.J. (1995) All-fibre polariser based on a null taper coupler. Optics Letters, 20, (12), 1371-1373. (doi:10.1364/OL.20.001371).


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An entirely new type of single-mode all-fiber polarizer is reported. The polarizer is based on a narrow circularly fused null taper coupler, which was twisted through 45° after being made. The polarizing effect is due to the excitation of hybrid second modes in the coupler waist. An extinction ratio of 15 dB and an insertion loss of 0.2 dB have been obtained, with scope for further improvement.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/OL.20.001371
ISSNs: 0146-9592 (print)
Related URLs:
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions : University Structure - Pre August 2011 > Optoelectronics Research Centre
ePrint ID: 78154
Accepted Date and Publication Date:
Date Deposited: 11 Mar 2010
Last Modified: 31 Mar 2016 13:13

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